Footwear sole



FIG. 1 is a left side elevational view of the footwear sole showing the new design.

FIG. 2 is a bottom plan view thereof; and,

FIG. 3 is a right side elevational view thereof.

The broken lines in FIGS. 1-3 depict portions of the drawings that form no part of the claimed design. 

CLAIM The ornamental design for the footwear sole, as shown and described. 